The regression equation created with the sales (Y) and advertising expenditures (X) of 30 companies is as follows: like this: Y =1.48+0.37X R? =0.852 The auxiliary regression equation is as follows: e, =-0.115 +0.016 X -0.044 e,-1-0.092e,-2 – 0.408e,-3 R = 0.162

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The regression equation created with the
sales (Y) and advertising expenditures (X) of
30 companies is as follows:
like this:
Y =1.48+0.37X
R? =0.852
The auxiliary regression equation is as follows:
e, =-0.115+0.016 X -0.044 e,-1-0.092e,_2 -0.408e,_3
R? = 0.162
Test whether the error terms are
autocorrelated.
a = 0.10
Transcribed Image Text:The regression equation created with the sales (Y) and advertising expenditures (X) of 30 companies is as follows: like this: Y =1.48+0.37X R? =0.852 The auxiliary regression equation is as follows: e, =-0.115+0.016 X -0.044 e,-1-0.092e,_2 -0.408e,_3 R? = 0.162 Test whether the error terms are autocorrelated. a = 0.10
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